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7.1
CVSSv2

CVE-2009-3722

Published: 30/10/2009 Updated: 13/02/2023
CVSS v2 Base Score: 7.1 | Impact Score: 6.9 | Exploitability Score: 8.6
VMScore: 633
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C
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Vulnerability Summary

The handle_dr function in arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel prior to 2.6.31.1 does not properly verify the Current Privilege Level (CPL) before accessing a debug register, which allows guest OS users to cause a denial of service (trap) on the host OS via a crafted application.

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linux linux kernel 2.6.27.29

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linux linux kernel 2.6.16.16

linux linux kernel 2.6.18.7

linux linux kernel 2.6.17.12

linux linux kernel 2.6.16.39

linux linux kernel 2.6.27.3

linux linux kernel 2.6.29.3

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linux linux kernel 2.6.11.2

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Vendor Advisories

Red Hat: Important: kvm security and bug fix update
Synopsis Important: kvm security and bug fix update Type/Severity Security Advisory: Important Topic Updated kvm packages that fix two security issues and two bugs are nowavailable for Red Hat Enterprise Linux 5This update has been rated as having important security impact by the RedHat Security Response T ...
Ubuntu Security Notice: linux, linux-source-2.6.15 vulnerabilities
It was discovered that the AX25 network subsystem did not correctly check integer signedness in certain setsockopt calls A local attacker could exploit this to crash the system, leading to a denial of service Ubuntu 910 was not affected (CVE-2009-2909) ...
Debian Security Advisories: DSA-1962-1 kvm -- several vulnerabilities
Several vulnerabilities have been discovered in kvm, a full virtualization system The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2009-3638 It was discovered an Integer overflow in the kvm_dev_ioctl_get_supported_cpuid function This allows local users to have an unspecified impact via a KVM_GET_SUPPORTED_C ...

References

CWE-264http://marc.info/?l=oss-security&m=125678631403558&w=2http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc1http://marc.info/?l=oss-security&m=125680666827148&w=2https://bugzilla.redhat.com/show_bug.cgi?id=531660http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.1http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30.9http://www.securityfocus.com/bid/37221http://www.ubuntu.com/usn/usn-864-1http://www.redhat.com/support/errata/RHSA-2010-0126.htmlhttp://www.mandriva.com/security/advisories?name=MDVSA-2010:198https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9892http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0a79b009525b160081d75cef5dbf45817956acf2https://access.redhat.com/errata/RHSA-2010:0126https://nvd.nist.govhttps://usn.ubuntu.com/864-1/
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